OpenTechnical

OT-2026-000073025

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000073025) never changes.

Identity and time

Publication numberOT-2026-000073025 · never reused
Internal UUID01a0ae92-c815-7bbc-8da5-a16556868d2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073025
StatusPUBLIC

Content hashes

Canonical text646e30123287a5f5f985090870bc00fb0b2858dbbcbe3cb9347df92f99357432
Markdown20bdeda03b86b9e866fb00d3e06ada5cc882806044f97031b6923b23500f0346
PDF
Publication pagea1708ef7b70c72215cf3ef7f55921845cbea57cbed41b2fd9bce5196f454d16c
Manifest557f2ba8d92000cb1390b04c198d42f6abad0f719df96bfcd74738f9b42e62dd

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature6LGZ8Oh20wUcOQIDWvRMt3NT6UcaFGraWLs4KgsJO5el7ADbBHzM7nO0mtClJO0HQZRDhCAQK+LP9arbhVJFBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:57.868744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073025
observed a1708ef7b70c72215cf3ef7f55921845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:57.851993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073025/manifest.json
observed 557f2ba8d92000cb1390b04c198d42f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:57.835818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073025/publication.md
observed 20bdeda03b86b9e866fb00d3e06ada5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:57.818650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073025/publication.txt
observed 646e30123287a5f5f985090870bc00fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.